Digital Tachograph Driver Registration via Mobile NFC Detection
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Solution Overview
Problem
Existing digital tachograph systems for vehicles are not user-friendly, often leading to drivers forgetting to register or de-register, especially in large fleets, due to cumbersome methods like using tachograph keys, smartcards, USB sticks, or RFID technology, which can be lost or misplaced.
Innovation Solution
A method where a digital tachograph establishes a wireless connection with a mobile device to automatically register or de-register the user by detecting the device within a limited notification zone and requesting an identification code, ensuring a two-way confirmation through a registration dialogue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional methods (tachograph keys, smartcards, USB sticks, RFID cards) are used for driver registration, then driver identification can be performed, but the process becomes cumbersome and drivers may forget to register or de-register
Solution Approach 1:
The system uses the mobile device itself as the identification medium, eliminating the need for separate tachograph keys, smartcards, or RFID cards. The mobile device automatically provides identification data when brought near the tachograph, making the registration process self-service and reducing the likelihood of drivers forgetting to register.
Solution Approach 2:
The mobile device serves multiple functions: it acts as both the identification medium and the data storage device. The tachograph utilizes existing mobile devices that drivers already carry, eliminating the need for dedicated registration tools and improving both ease of operation and reliability.
2Ease of operation
If USB sticks or RFID cards are used for driver identification, then registration can be performed, but these devices may get lost or be used for personal data exchange
Solution Approach 1:
The system eliminates the need for separate identification devices by using the mobile device that drivers already carry for communication purposes. This removes the risk of losing dedicated tachograph devices while maintaining reliable driver identification.
Solution Approach 2:
The mobile device is used for both its primary communication function and as the driver identification medium. This universal approach eliminates the need for separate identification devices, reducing loss risk while maintaining operational ease.
3Device complexity
If manual driver identification is used in large fleets, then no additional hardware is needed, but the process takes time and is not user-friendly
Solution Approach 1:
The system replaces manual identification processes with automated wireless communication. The tachograph automatically detects the mobile device, retrieves identification data, and completes registration without manual intervention, significantly reducing registration time while maintaining simplicity.
Solution Approach 2:
Driver identification data is pre-stored in the mobile device, eliminating the need for manual data entry at the time of registration. The system retrieves and uses this pre-available data automatically, reducing registration time and improving user-friendliness.
4Ease of operation
If wireless connection is established without limited range, then registration can be performed from distance, but accidental registration may occur
Solution Approach 1:
The system establishes wireless connection only within a limited local range around the tachograph, creating a localized notification zone. This limited scope prevents accidental registrations from distant devices while maintaining convenience for the actual driver.
Solution Approach 2:
The system provides visual feedback by displaying the detected driver name on the tachograph before completing registration. This feedback mechanism allows the driver to confirm the detected information is correct, preventing accidental registrations while maintaining ease of operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method provides a comfortable and reliable user experience by preventing accidental registration or de-registration, allowing operation without an internet connection, and utilizing NFC technology for secure and short-range data transfer, making it suitable for use in areas without internet access.
Implementation Method 1
The receiving unit requests and/or receives an identification code by means of a predefined wireless transmission technology from the mobile device
Data Source
Figure 1
Figure 2
AI summary
The invention is concerned with a method for registering and/or de-registering a user as a current driver in a digital tachograph (14) of a vehicle (10). A receiving unit (16) of the tachograph (14) detects the presence of the mobile device (20) of the user in a predefined limited notification zone (21) of the tachograph. If the receiving unit (16) detects the mobile device (20) in the notification zone (21), the receiving unit (16) requests and/or receives an identification code (23) by means of a predefined wireless transmission technology (17) from the mobile device. A processing unit (26) of the tachograph (14) searches for user identification data (27) in a data storage (28) of the tachograph (14), wherein in the data storage (28) the user identification data (27) is associated with the received identification code. If the user identification data are available, the processing unit (26) triggers a predefined registration dialog for displaying the user identification data (27) to the user and for receiving a user confirmation input (30) that confirms that the user wants to register or deregister as the driver of the vehicle. The processing unit (26) sets status data (31) in the tachograph (14) in accordance with the received user confirmation input (30), wherein the status data (31) indicate whether the user is currently registered or de-registered as the driver of the vehicle (10).